The Portland lawyer who was wrongly arrested by FBI agents on suspicion of involvement in Spain's worst terrorist attack filed a lawsuit Monday against the U.S. government, claiming he was singled out because of his Muslim faith.

Brandon Mayfield, a 38-year-old convert to Islam, is accusing the FBI, John Ashcroft and the Department of Justice of violating his civil liberties by wiretapping his Oregon home and filing misleading affidavits to justify his two-week imprisonment, according to court documents filed Monday....Mayfield is seeking unspecified damages as well as a ruling that key provisions of the U.S. Patriot Act are unconstitutional.

Our coverage of the Mayfield case is accessible here .